RT Journal Article SR Electronic T1 BIOASSAY PROCEDURES JF Pharmacological Reviews JO Pharmacol Rev FD American Society for Pharmacology and Experimental Therapeutics SP 241 OP 249 VO 11 IS 2 A1 J. H. Gaddum YR 1959 UL http://pharmrev.aspetjournals.org/content/11/2/241.abstract AB